Dr. Bhausaheb Dattatraya Gaikwad. “COMPARATIVE STUDY OF EPIDURAL BUTORPHANOL AND EPIDURAL TRAMADOL FOR POST OPERATIVE ANALGESIA”. International Journal of Medical Science And Diagnosis Research 3, no. 2 (February 27, 2019). Accessed September 13, 2026. https://ijmsdr.com/index.php/ijmsdr/article/view/248.